Pith Number

pith:MBTP5ALB

pith:2019:MBTP5ALB6SETDKQU247FLQDTXC

not attested not anchored not stored refs pending

Service Rate Region of Content Access from Erasure Coded Storage

Ann Johnston, Carolyn Mayer, Emina Soljanin, Gauri Joshi, Gretchen Matthews, Sarah Anderson

arxiv:1901.02399 v1 · 2019-01-08 · cs.IT · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MBTP5ALB6SETDKQU247FLQDTXC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:56:43.440411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6066fe8161f48931aa14d73e55c073b89f5ab9d5cbb10bde0b5be21a07da1b99

Aliases

arxiv: 1901.02399 · arxiv_version: 1901.02399v1 · doi: 10.48550/arxiv.1901.02399 · pith_short_12: MBTP5ALB6SET · pith_short_16: MBTP5ALB6SETDKQU · pith_short_8: MBTP5ALB

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/MBTP5ALB6SETDKQU247FLQDTXC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 6066fe8161f48931aa14d73e55c073b89f5ab9d5cbb10bde0b5be21a07da1b99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8556c5ff8c8dca1b4cbb7561f1d8255b61613b611e3ba9abefd141d1856eb4e5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-01-08T16:51:40Z",
    "title_canon_sha256": "515aa520304687c4076997ebfbb70fa696a42df0d3b95c7297f7f289c5856440"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02399",
    "kind": "arxiv",
    "version": 1
  }
}